eden-emu/opus
15
0
Fork 0
mirror of https://github.com/xiph/opus.git synced 2025-06-06 15:30:48 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

fixed-point: fixing two overflows that didn't really affect quality

Browse source
This commit is contained in:
Jean-Marc Valin 2009-07-01 09:59:21 -04:00
parent 7c422653f3
commit cd29b02773
3 changed files with 16 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
libcelt/fixed_debug.h
View file

@ -427,18 +427,20 @@ static inline short MULT16_16_Q14(int a, int b)
celt_mips+=3;
return res;
}
static inline short MULT16_16_Q15(int a, int b)
#define MULT16_16_Q15(a, b) _MULT16_16_Q15(a, b, __FILE__, __LINE__)
static inline short _MULT16_16_Q15(int a, int b, char *file, int line)
{
long long res;
if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))
{
fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d\n", a, b);
fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);
}
res = ((long long)a)*b;
res >>= 15;
if (!VERIFY_SHORT(res))
{
fprintf (stderr, "MULT16_16_Q15: output is not short: %d\n", (int)res);
fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line);
}
celt_mips+=1;
return res;
@ -547,6 +549,6 @@ static inline int _DIV32(long long a, long long b, char *file, int line)
#define PDIV32_16(a,b) DIV32_16(ADD32((a),(b)>>1),b)
#undef PRINT_MIPS
#define PRINT_MIPS(file) do {fprintf (file, "total complexity = %d MIPS\n", celt_mips);} while (0);
#define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
#endif